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• CRT as 2nd monitor goes screwy after start up?

  - by rhys

  new install of 12.04 on an old dell with a radeon ATI RV516 video card with monitor out and s-video out. During boot up all is good. Both screens operate and look fine. Then just before the desktop appears the cCRT goes purple and is covered in heavy horizontal lines, but as i said during boot up it was fine and the resolution was fine. The main monitor, an lcd, operates normally. everything else works fine, it's just the picture on the CRT that is screwed up. I used the same monitor and CRT running 11.10 which worked fine any help would be appreciated and yes i am a newbie to ubuntu here is a vid showing the completely normal screens at reboot then the purple badness when the desktop loads ?? and don't laugh at the slow machine, it's old. http://www.youtube.com/my_videos_edit?ns=1&video_id=zfuh6lBMLnc

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• Why will network manager not allow me save my VPN settings?

  - by Solignis

  I am trying to configure am OpenVPN client on my laptop. I am running Ubuntu 11.10 64-bit. When I open network manager and import the VPN settings from the premade config folder everything takes. The problem is when I try to save the settings, the save button at the bottom of the network manager applet is greyed out. Further more when I hover over the button it says Authenticate to save this connection for all users of this machine. The problem is I did not check the box Available to all users it was already checked and it is also greyed out and won't let me manipulate it. What is going on? Is this a bug or is there something I am missing? Any help would be wonderful.

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• How to setup an encrypted voip structure?

  - by strapakowsky

  What is the simplest way to set up a voip structure in a Linux machine with the following features: 1) Using free software 2) For computer-to-computer calls: end-to-end encryption set by the users, unpaid, no central authority (so skype is out) 3) For computer-to-phone calls: paid or unpaid, desirable encryption on the computer side if that is even possible 4) Ability to have a number to receive calls from regular phones My research concluded that the sip protocol is the most popular. However most discussions I've read on sip are too technical and I felt it discourages the regular user who wants to just click and talk. So I put the question above and created some separate questions about privacy with sip registrars, privacy with voip suppliers, what to look for in a sip registrar, what to look for in a voip provider. As for the software, I noticed most software either don't provide encryption (eg Ekiga) or the software doesn't work nicely and the project is abandoned (eg Twinkle), so no option seemed satisfying.

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• Is there a taskbar applet to show the status of a remote host?

  - by Mathew

  At the end of the day I would like to be able to copy files to my home PC just in case I feel inspired to work on them in the evening. But I only want to do this if the PC is on already. (I can remote wake-on-lan the PC but I don't want to always be doing that). I would like some taskbar applet that shows the status of the PC and whether I can ssh into it or not. Obviously it would also be interesting to have an idea as to how long it is on for whilst I am at work as that gives a good indication of whether anyone is in or not. However being able to unobtrusively copy files to the remote machine is the main objective. Perhaps another approach is to run rsync on cron and if the remote host is not up then I guess it will fail. Is that correct? If anyone else has ideas on how to best sync a work and home PC then please do tell.

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• LXDE keybind "Raise" window not working

  - by Campa

  I am using LXDE* over Ubuntu Oneiric on a DELL Studio-XPS 64-bit machine and I can't get the keybind for raising windows to work. In my ~/.config/openbox/lxde-rc.xml I put: <!-- Iconify window: it works. --> <keybind key="A-Down"> <action name="Iconify"/> </keybind> <!-- Raise window: does nothing. --> <keybind key="A-Up"> <action name="Focus"/> <action name="Raise"/> </keybind> then I openbox --reconfigure, but no rasing windows keybindings. I could use the NextWindow action, but... not really the same. References: http://openbox.org/wiki/Help:Bindings http://openbox.org/wiki/Help:Actions *Nested question: how to know the version of installed LXDE?

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• Can someone provide a short code example of compiler bootstrapping?

  - by Jatin

  This Turing award lecture by Ken Thompson on topic "Reflections on Trusting Trust" gives good insight about how C compiler was made in C itself. Though I understand the crux, it still hasn't sunk in. So ultimately, once the compiler is written to do lexical analysis, parse trees, syntax analysis, byte code generation etc, a separate machine code is again written to do all that on compiler? Can anyone please explain with a small example of the procedure? Bootstrapping on wiki gives good insights, but only a rough view on it. PS: I am aware of the duplicates on the site, but found them to be an overview which I am already aware

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• Date calculation algorithm

  - by Julian Cuevas

  I'm working on a project to schedule a machine shop, basically I've got everything covered BUT date calculations, I've got a method called schedule (working on PHP here): public function schedule($start_date, $duration_in_minutes) Now my problem is, currently I'm calculating end time manually because time calculations have the following rules: During weekdays, work with business hours (7:00 AM to 5:00 PM) Work on Saturdays from 7:00 AM to 2:00 PM Ignore holidays (in Colombia we have A LOT of holidays) I already have a lookup table for holidays, I also have a Java version of this algorithm that I wrote for a previous version of the project, but that one's also manual. Is there any way to calculate an end time from a start time given duration?, my problem is that I have to consider the above rules, I'm looking for a (maybe?) math based solution, however I currently don't have the mind to devise such a solution myself. I'll be happy to provide code samples if necessary.

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• How to change address and name of the computer in linux Ubuntu

  - by Byakugan

  I have troubles again after upgrading Linux to version 12.04 - When I try to update progams and files with "apt-get update" it says something like there is no address added to your computer name. So my hostname has name "Marco" and my hosts file has line "127.0.0.1 Marco" So where is problem? Where should I change my name to get it right for updates? Thank you. Before on version 11.10 it was working fine. W: Failed http://en.archive.ubuntu.com/ubuntu/dists/precise-updates/main/i18n/Translation-en Something bad happened in the translation "en.archive.ubuntu.com: http" (-5 - The machine name is not assigned to any address)

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• Why aren't there automated translators from one programming language to another?

  - by serg

  Most programming languages are Turing complete, which means that any task that can be solved in one language can be solved in another one, or even on Turing machine. Then why aren't there automatic translators that can convert programs from any given language to any other language? I've seen couple attempts for two languages, but they always work only on a limited subset of a language and can hardly be used for converting real projects. Is it possible, at least in theory, to write 100% correct translator between all languages? What are the challenges in practice? Are there any existing translators that work?

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• Dealing with blackhat SEO companies and low quality link building competitors [closed]

  - by Mikko Ohtamaa

  I have often faced a case where the competitors of my client use SEO blackhat tactics where they contact a SEO company to do link building for their websites and products. Here is an example of a typical case of a fake blog created only for link building purposes A very low content article http://marshallfab.com/fundus-camera-explained.html in obvious fake blog: no author information, partially machine generated text, all blog posts are solely about link building Following the link you get to the promoted company page http://www.patternless.com/ ... which, unsurprisingly, links the SEO company homepage in the footer text http://www.affordableseofl.com/ ... who are not shy to advertise their Extremely aggressive SEO plan Does Google have any feedback channel where one could submit cases like this, so that Google would punish the link builders? Are there any means to bring these blackhat companies to pushame to damage their reputation?

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• Internet Explorer 8 developer tools debugging on Windows XP

  - by Suresh Behera

  Although , Microsoft officially not going support Windows XP  but still many healthcare companies preferred to use windows XP internally. They buy windows 7 laptop and convert to Windows XP.This sounds funny but it true. I was trying to use IE’s Developer tools(F12) to debug one of JavaScript issue found that “jscript.dll” has to be registered explicitly    to your machine. even if i have IE8 and javsascript enabled on browser it was not stopping on breakpoint. Solution : register...(read more)

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• Microsoft and Joyent Announce Node.js Windows Port

  With the Node.js command line tool, developers can type ?node my_app.js.' to run JavaScript programs. It gives developers a JavaScript application programming interface (API) supplies access for the network and file system as well. One instance where Node.js often comes in handy is in the creation of scalable networked programs that emphasize high concurrency and low response times. Developers who wish to use Node.js use on Windows at this time must do so running a virtual machine with Linux. Claudia Caldato, Principal Program Manager of Microsoft's Interoperability Strategy Team, offered...

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• Shumway : Mozilla lance son implémentation JavaScript et HTML5 de Flash, les démos du projet disponibles

  Shumway : Mozilla lance son implémentation JavaScript de Flash les utilisateurs peuvent tester le projet open source basé sur les technos du Web Même si HTML5 est vu comme un remplaçant de Flash, il existe encore une grande quantité de contenu Flash sur le Web. Pour permettre le rendu de ces contenus sans avoir besoin du lecteur Flash Player, Mozilla a lancé le projet Shumway. Shumway est une machine virtuelle écrite en JavaScript, couplé avec les technologies HTML5, qui permet le rendu des fichiers SWF sans avoir besoin de Flash Player. Shumway est construit avec deux objectifs principaux selon un billet de blog de Mozilla : faire avancer le Web ouvert en toute séc...

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• Microsoft Money alternative?

  - by torbengb

  I'm looking for something to replace my MS Money 2004 application. I've tried KMyMoney which seems pretty simple (that's good!) but it can't import the OFC files I get from my bank, so I would have to enter everything manually = not good. I've tried GnuCash which does import OFC files but I can't wrap my mind around this double-entry philosophy. It may be good for accounting but not for home use. I've tried to make MS Money run in Wine with some success but it was hard to make it work and I'd have to re-do that on my new machine. This is still a useful alternative for me though... Is there a similar tool that can import OFC files and that doesn't do double-entry accounting? Tax capability is not needed for me, I only do after-tax numbers. Some nice dashboard views (upcoming bills, future cash flow, total net worth) and some graphs would be a definite bonus!

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• Ubuntu Server 12.04 Screen Resolution "Out of Range"

  - by Alastair Mackie

  I'm fairly new to ubuntu and have just installed Ubuntu Server 12.04 on a spare machine to experiment and play with! The installation went without problem, however whenever the OS boots the monitor displays a an error message saying the resolution is "out of range" and i can't see to do anything - i can wait as long as i like, but nothing appears. Ubuntu is the only OS installed so bypasses GRUB on boot, although the GRUB screen is also out of range if forced on startup. I can access a shell from the recover mode and i can get at a terminal through a LiveCD of the Desktop version but have had little luck with either. I've been trying to figure this out for days and i'm at a total loss. Any thoughts?

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• Xubuntu 14.04 black screen after monitor off/on

  - by Sampo Smolander

  I have a HP desktop machine with Ubuntu 14.04, with also Xubuntu and Gnome desktops installed. I mostly use the Xubuntu session. When using the Xubuntu session, when I power off my monitor, and power it back on, the screen stays black and I cannot do any work. With ctrl-alt-f6 I can open another virtual terminal, and then the screen works again, but if I to go back to the desktop session with ctrl-alt-f7, all I have is a black screen. But, if I login to Unity (the Ubuntu default session), or to Gnome, and turn the monitor off and back on, everything works ok. Also, if I log out, and while in the lightdm greeter, turn the monitor off and back on, everything works ok. What could be the cause for this, and how to fix this?

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• How do I get write access to ubuntu files from Windows?

  - by Steven

  I'm running Ubuntu 11.10 on my Virtual Machine as a web server. I've mounted the W:/ drive in Win 7 to my /www folder in Ubuntu. I can read the files, but I'm not able to write to the files. In Samba, I have created the following user: <www-data> = "<www-data>" And given guest ok for the www folder: [www] comment = Ubuntu WWW area path = /var/www browsable = yes guest ok = yes read only = no create mask = 0755 ;directory mask = 0775 force user = www-data force group = www-data I've also run sudo chmod -R 755 www to make ensure correct rw access. What am I missing in order to get write access to my ubuntu files from Windows?

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• What ever happened to the Google AJAX Search API

  - by John

  I am looking to query the main Google search however all references including stackoveflow point to the Google AJAX Search API. The odd thing is that it does not seem to exist any more not even a note to say it is depreciated? The old links point to main Google code site. If I look at the list of API's on that site the API it replaced is there Web Search API (Deprecated) which links back to same page but not the Google AJAX Search API. Further Google searching is not being helpful either, many blog posts pointing to the same Google site (http://code.google.com/apis/ajaxsearch/) that has no content and redirects to the same place? Just to prove it did exist I have found it on the way back machine however the last snapshot did not show any special unusual message.

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• Why do I need to relaunch dkpg-reconfigure keyboard-configuration after every startup?

  - by yves Baumes

  I've switched recently to an UK keyboard, from a FR keyboard. It is an usb keyboard, and first I plugged it in, I had to launch dpkg-reconfigure keyboard-configuration in order to request the correct layout (ie: uk). But after every reboot of the machine, the laytout comes back to the FR layout. How can I make the modification persisting? I am using Ubuntu, running the Stump Window Manager. And here is the /etc/default/keyboard at any time (that is right after startup, and before and after I run the dpkg-reconfigure tool) XKBMODEL="hhk" XKBLAYOUT="gb" XKBVARIANT="" XKBOPTIONS="terminate:ctrl_alt_bksp"

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• Flash Player : un chercheur trouve comment contourner le bac à sable et transmettre des données à un serveur distant

  Flash Player : un chercheur trouve comment contourner le bac à sable et transmettre des données à un serveur distant Un chercheur a trouvé un moyen de contourner la Sandbox de Flash Player, une mesure de sécurité introduite récemment par Adobe. Billy Rios a publié sur son blog la procédure pour contourner la protection qui isole le processus du Player du reste de la machine, un contournement du « bac à sable » qui pourrait donner la possibilité à un pirate de voler des données et de les transmettre à un serveur distant. Cette preuve de faisabilité (PoC) liée aux fichiers SWF montre que l'on peut transmettre des données locales sans que l'utilisateur victime n'ait aucune ind...

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• TestDrive equivalent for Ubuntu Server

  - by Marius Gedminas

  Every now and then I'd like to play with a fresh minimal install of Ubuntu (to test sysadminish scripts, application install instructions, package dependency lists etc.). I'd like to have a tool as simple to use as testdrive: pick a version (say, 'maverick'), run a command, get a shell in a new virtual machine. I'd like that shell to be in the current terminal, rather than a new GUI window that testdrive uses. Setting up the new VM to accept SSH logins with my ssh public key is fine. I'd like the VM to have network access out of the box; NAT to a virtual network interface is fine. Why a VM? Chroots don't really cut it: installing, say, Apache in a chroot would fail because it would try to listen on port 80, which is already taken. Containers might work, though, if there are any that are supported by standard Ubuntu kernels.

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• Where do I get the source code to customize Unity?

  - by Muhammad Khan

  So one of the main reasons I migrated to Ubuntu 12.04 from Windows 7 was to be able to have more control over my system due to the flexibility and customizability of a Linux operating system. However, with Ubuntu I do not feel as if I am as in control as I can be. What I mean to say is, where are the source codes and everything for all of this that I can edit on my machine. For example, suppose I want to position my dock on the left to be on the right without wanting to install any new software. I simply want to see the GUI files and reposition it myself. How can I do that, if that's even possible? Thank You!

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• Can I get the Waves Maxx speaker effects to work in Ubuntu?

  - by Rafael

  I have a new machine that comes with JBL 2.1 Speakers with Waves Maxx Audio 3. On Windows it sounds perfect, though in Ubuntu 12.04 I get cheap/sound with simple mp3 files. I have tried a few things on different blogs but no luck so far. Any ideas? aplay -l **** List of PLAYBACK Hardware Devices **** card 0: PCH [HDA Intel PCH], device 0: ALC665 Analog [ALC665 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: PCH [HDA Intel PCH], device 1: ALC665 Digital [ALC665 Digital] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: N700 [Logitech Speaker Lapdesk N700], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0

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• Windows 7/Ubuntu 10.10 Dual-Triple Boot Partitioning Recommendation for HP Laptop OEM

  - by Denja

  Hi Linux Community, I find my self struggling with the ever slow and buggy windows OS once again. It's Time for me to go with the Ubuntu/Linux way for a better and faster Operating System. As a Computer technician i want to learn and use both Systems but possibly introduce New users to more affordable Linux Based Systems. For now, Im in the process of creating dual-boot or even triple boot layouts on my laptop machine Here's the layout in use now: * (C:) Windows 7 system partition NTFS - 284,89GB (Primary,Boot,Pagefile,Dump) * HP_TOOLS system partition FAT32 - 99MB (Primary) * (D:) RECOVERY partition NTFS - 12,90GB (Primary) * SYSTEM partition NTFS 199MB (Primary) Here's the layout I want to make. * (C:) Windows 7 system partition NTFS - 60GB (Primary) (sda1) * (D:) Windows data partition (user files) NTFS - 60GB(Extended or Primary)(sda2);wanna share with Linux * Linux root Ext4 - 10GB (Primary)(sda3) * Linux swap swap- RAM size, 3GB (sda4) * Linux home Ext4- 164,9GB (Extended)(sda5) Question 1: Based on my layout what is your suggestion for a Triple Boot layout for an additional Linux OS (Like Puppy)? Thank you in advance for your advises and suggestions.

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• How can I get a list of installed programs and corresponding size of each in Ubuntu?

  - by Philip Baker

  I would like to have a list of the installed software on my machine, with the disk space consumed by them. A previous answer here says "you can do this via GUI in Synaptic". This doesn't mean anything to me. I don't know what GUI is, and when I click on Synaptic, I do not get anything like the display shown in the answer, i.e. with "Settings ? Preferences" and "Columns and Fonts". In Windows, you just select 'Programs and Applications' in the Control Panel, and the list comes up immediately, with sizes. Is there something similar and simple with Ubuntu? Could the size of each program be included on the list of installed software? This would be the most obvious place to put it.

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